Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368377 | Tungsten carbide nickel-chromium alloy hard member and tools using the same | William A. Bryant, Edward V. Conley | 2002-04-09 |
| 6367567 | Lockable drill steel and chuck assembly | Gary Condon, Daniel C. Statler | 2002-04-09 |
| 6315064 | Rotatable cutting bit assembly with cutting inserts | David R. Siddle | 2001-11-13 |
| 6260638 | Rotatable cutting bit assembly with wedge-lock retention assembly | Robert H. Montgomery, Jr., David R. Siddle, William P. Losch | 2001-07-17 |
| 6176332 | Rotatable cutting bit assembly with cutting inserts | David R. Siddle | 2001-01-23 |
| 6173798 | Tungsten carbide nickel- chromium alloy hard member and tools using the same | William A. Bryant, Edward V. Conley | 2001-01-16 |
| 6129422 | Cutting tool holder retention system | David R. Siddle, John S. VanKirk | 2000-10-10 |
| 6109377 | Rotatable cutting bit assembly with cutting inserts | David R. Siddle | 2000-08-29 |
| 6044920 | Rotatable cutting bit assembly with cutting inserts | David R. Siddle | 2000-04-04 |
| 5996714 | Rotatable cutting bit assembly with wedge-lock retention assembly | Robert H. Montgomery, Jr., David R. Siddle, William P. Losch | 1999-12-07 |
| 5833323 | Cutting toolholder retention system | John S. VanKirk | 1998-11-10 |
| 5806934 | Method of using composite cermet articles | John S. Van Kirk, Edward V. Conley | 1998-09-15 |
| 5802955 | Corrosion resistant cermet wear parts | William M. Stoll, James P. Materkowski | 1998-09-08 |
| 5792403 | Method of molding green bodies | John S. Van Kirk, Robert R. McNaughton, Jr. | 1998-08-11 |
| 5789686 | Composite cermet articles and method of making | John S. Van Kirk, Robert R. McNaughton, Jr. | 1998-08-04 |
| 5776593 | Composite cermet articles and method of making | John S. Van Kirk, Edward V. Conley | 1998-07-07 |
| 5769505 | Cutting tool holder retention system | David R. Siddle | 1998-06-23 |
| 5762843 | Method of making composite cermet articles | John S. Van Kirk, Robert R. McNaughton, Jr. | 1998-06-09 |
| 5716167 | High-speed, cartridge-type milling cutter | David R. Siddle, John S. VanKirk, Kenneth M. Malott | 1998-02-10 |
| 5697042 | Composite cermet articles and method of making | John S. Van Kirk, Edward V. Conley | 1997-12-09 |
| 5690393 | Cutting tool retention system | Robert H. Montgomery, Jr. | 1997-11-25 |
| 5679445 | Composite cermet articles and method of making | John S. Van Kirk, Edward V. Conley | 1997-10-21 |
| 5677042 | Composite cermet articles and method of making | John S. Van Kirk, Edward V. Conley | 1997-10-14 |
| 5658678 | Corrosion resistant cermet wear parts | William M. Stoll, James P. Materkowski | 1997-08-19 |
| 5607206 | Cutting tool holder retention system | David R. Siddle | 1997-03-04 |